169163334 - Adds more configuration elements per call with Dan

This adds the start of the identity module but also cleans up a bunch of
things like the LBs. Originally I was managing the LBs, but k8s manages
this for us so I disabled the LBs for now.

terraform/modules/managed_identity/main.tf

@@ -0,0 +1,11 @@
+resource "azurerm_resource_group" "identity" {
+  name     = "${var.name}-${var.environment}-${var.identity}"
+  location = var.region
+}
+
+resource "azurerm_user_assigned_identity" "identity" {
+  resource_group_name = azurerm_resource_group.identity.name
+  location            = azurerm_resource_group.identity.location
+
+  name = "${var.name}-${var.environment}-${var.identity}"
+}